look at the vacuum advance pot, is it bad? is the timing is right? compression
up? if not, you need a new motor. a 700r4 will go nicely in your truck
Jeff Davis wrote:
> Just bought a '66 chevy 1/2 ton with a inline six, 3.?? rearend and the
> original trany that is a 3 speed with a granny low. This hungry little
> sucker only gets 10 miles to the gallon. Is this my tranny or are these
> little sixes that bad? I looked up the casting #'s for the motor on a web
> site and it is listed as such "235-250", how do I know which one I have? It
> appears to be all stock including the monojet carb. so how can this sucker
> get this terrible of gas milage?
> Jeff Davis
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